ETSI EN 301 997-1 V1.1.1 (2001-10)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SIST EN 301 997-1 V1.1.1:2003Transmission and Multiplexing (TM); Multipoint equipment; Radio Equipment for use in Multimedia Wireless Systems (MWS) in the frequency band 40,5 GHz to 43,5 GHz; Part 1: General requirements33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipment33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 301 997-1 Version 1.1.1SIST EN 301 997-1 V1.1.1:2003en01-december-2003SIST EN 301 997-1 V1.1.1:2003SLOVENSKI
STANDARD



SIST EN 301 997-1 V1.1.1:2003



ETSIEN301997-1V1.1.1(2002-06)EuropeanStandard(Telecommunicationsseries)TransmissionandMultiplexing(TM);Multipointequipment;RadioEquipmentforuseinMultimediaWirelessSystems(MWS)inthefrequencyband40,5GHzto43,5GHz;Part1:GeneralrequirementsSIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)2ReferenceDEN/TM-04097Keywordsdigital,DRRS,multimedia,multipoint,MWS,radio,RLLETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://portal.etsi.org/tb/status/status.aspIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2002.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.62References.63Definitions,symbolsandabbreviations.103.1Definitions.103.2Symbols.103.3Abbreviations.104Generalcharacteristics.114.1Generalsystemarchitecture.114.2Frequencybandsandchannelarrangements.124.2.1Frequencyplan.124.2.2Channelarrangements.134.3Compatibilityrequirements.134.4Environmentalconditions.134.4.1Equipmentwithinweatherprotectedlocations(indoorlocations).134.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations).134.5Powersupply.134.6EMCconditions.134.7Synchronizationofinterfacebitrates.144.8Antenna/feeder/branchingrequirements.144.8.1Antennarequirements.144.8.2Returnloss.144.8.3Intermodulationproducts.145Systemparameters.145.1Systemcapacity.145.2RoundTripDelay.145.3VoiceCoding.155.4RFBlockDiagram.155.5Transmittercharacteristics.155.5.1Outputpower.165.5.2Powercontrol.165.5.2.1AutomaticTransmitPowerControl(ATPC).165.5.2.2RemoteTransmitPowerControl(RTPC).165.5.3RemoteFrequencyControl(RFC).165.5.3.1OutofblockemissionscausedbyRFCsetting.165.5.3.2EmissionscausedbyRFCsettinginsidetheblock.165.5.4RFspectrummask.175.5.4.1Channelspectrummask.175.5.4.2Transmitterblockedgemask.175.5.5Spuriousemissions(external).175.5.6RFtolerance.175.6Receivercharacteristics.185.6.1Spuriousemissions(external).185.7Systemperformances.186Typesofinterface.18AnnexA(normative):Intra-blockminimumrequirements.20A.1Channelspectrummask.20A.2BERasafunctionofReceiverinputSignalLevel(RSL).20SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)4A.3Co-channelinterference.20A.4Adjacentchannelinterference.21AnnexB(informative):CEPT/ERCregulatoryconsiderationsonEIRPandblockedgemask.22B.1Generalconsiderations.22B.2TransmittermaximumEIRPlimits.22B.3TransmitterEIRPspectraldensityblockmask.23AnnexC(informative):Matchedreceiverblock-edgeselectivitymask.25C.1Receiverblock-edgeselectivitymask.25AnnexD(informative):ExampleofamethodforAutomaticTransmitPowerControl(ATPC)intheuplinkdirection.27History.29SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://webapp.etsi.org/IPR/home.asp).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeTransmissionandMultiplexing(TM).Thepresentdocumentispart1ofamulti-partdeliverablecoveringTransmissionandMultiplexing(TM);Multipointequipment;RadioEquipmentforuseinMultimediaWirelessSystems(MWS)inthefrequencyband40,5GHzto43,5GHz,asidentifiedbelow:Part1:"Generalrequirements";Part2:"Essentialrequirementsunderarticle3.2oftheDirective1999/5/EC".NationaltranspositiondatesDateofadoptionofthisEN:31May2002DateoflatestannouncementofthisEN(doa):31August2002DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):28February2003DateofwithdrawalofanyconflictingNationalStandard(dow):28February2003IntroductionThe40GHzbandhasbeenidentifiedanddesignatedwithinCEPTwithaCEPT/ERC/DEC(99)15[5]onthedesignationoftheharmonizedfrequencyband40,5GHZto43,5GHzfortheintroductionofMultimediaWirelessSystems(MWS),includingMVDS.Theterm"MultimediaWirelessSystems"hasbeenintroducedtocaterforthephenomenonofconvergencebetweenterrestrialFixedService(FS)andBroadcastingService(BS)applications,wherebydistributorsofentertainmentservices(broadcasters)arewishingtoprovideinteractiveservicesandtelecommunicationsoperatorsarewishingtosupplybroaderbandtwo-wayservicestowidermarkets.MultimediaWirelessSystemsarewirelesssystems,whichsupportinformationexchangeofmorethanonetype,suchastext,graphics,voice,sound,image,dataandvideo.Theyarealsodefinedasterrestrialmultipointsystemswhichhavetheiroriginintelecommunicationand/orbroadcasting,andwhichprovidefixedwirelessaccessdirecttotheenduserformultimediaservices.TheseMWSmayofferdifferentdegreesofinteractivity,includingpurelydistributionsystems,suchasdigitalMVDS.SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)61ScopeThepresentdocumentspecifiestheminimumrequirementsforequipmentandsystemparameters,includingparametersnecessarytoplanco-existence,ofMWS(MultimediaWirelessSystems)operatinginthe40,5GHzto43,5GHzfrequencybandandusedforarangeofapplicationsincludingtelecommunicationandentertainmentservices.WhenMWSequipmentisnotintendedfortelecommunicationpurposes(e.g.forentertainmentservices),differentrequirementsrelatedto,forexample,environmentalconditions(seeclause4.4),powersupply(seeclause4.5)andsynchronizationinterfaces(seeclause4.7),maybeapplied,providedthatguaranteedvaluesofparametersnecessaryforco-existencewithotherMWSsystemsaremet.Thepresentdocumentisapplicabletosystemandequipmentparametersrequiredtobeabletoplantheradiointer-operatorco-existenceofanumberofpossiblesolutionsforimplementingMWSinthe40GHzfrequencybandaccordingtheCEPT/ERCregulatoryframebasedonCEPT/ERC/DEC(99)15[5]andCEPT/ECC/REC01-04[55].BesidesspecificallydesignedmultipointFixedDigitalRadioSystems(FDRS)likethatinthescopeofETSIProject(EP)BRAN,someothersolutions,derivedfromstandardizedtechnology,arealreadydocumented,andincludesystemsthatalignwith:• EN300748[1];• EN301199[2];• ITU-RRecommendationF.1499[3];• IEEE802.16[56].Itislikelythatthefrequencyassignmentcriteriainthisbandwillbebasedon"frequencyblocks"accordingtoCEPT/ECC/REC01-04[55],thereforetheradiofrequencyco-ordinationparametersspecifiedinthepresentdocumentmaybesubdividedintotwocategories:• thosedetailedinthepresentdocument,relatedtotheminimumrequirementsforfrequencyco-ordinationofvarioussystemsdeployedbyanoperatorinsidethesameblockoffrequency.Althoughthesearenotallregardedas"essentialR&TTErequirements",theyarespecifiedasETSI"minimumvoluntaryparameters"forallMWSsystemswhichwillco-existinthisband.Theirrelationshipwiththe"essentialR&TTErequirements"willbedetailedinpart2ofthepresentdocument;• thoserelatedtoadjacent"block-edge"interferencecontrol;thesewillbeconsideredas"essentialrequirements"fortheapplicationofDirective1999/5/EC(R&TTEDirective)[4]anddetailedinpart2ofthepresentdocument.TheparametersspecifiedinthepresentdocumentapplytobothFDD(bothhalfandfullduplex)andTDDsystems.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublicationand/oreditionnumberorversionnumber)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIEN300748:"DigitalVideoBroadcasting(DVB);MultipointVideoDistributionSystems(MVDS)at10GHzandabove".[2]ETSIEN301199:"DigitalVideoBroadcasting(DVB);InteractionchannelforLocalMulti-pointDistributionSystems(LMDS)".[3]ITU-RRecommendationF.1499:"Radiotransmissionsystemsforfixedbroadbandwirelessaccessbasedoncablemodemstandard".SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)7[4]Directive1999/5/EC:"oftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity(R&TTEDirective)".[5]CEPT/ERC/DEC(99)15:"ERCDecisionof1June1999onthedesignationoftheharmonisedfrequencyband40.5to43.5GHzfortheintroductionofMultimediaWirelessSystems(MWS)includingMultipointVideoDistributionSystems(MVDS)".[6]ETSIEN301215-3:"FixedRadioSystems;PointtoMultipointAntennas;Antennasforpoint-to-multipointfixedradiosystemsinthe11GHzto60GHzband;Part3:MultipointMultimediaWirelesssystemin40,5GHzto43,5GHz".[7]ETSIEN300019:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment".[8]ETSIEN300385:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforfixedradiolinksandancillaryequipment".[9]ITU-TRecommendationG.810:"Definitionsandterminologyforsynchronizationnetworks".[10]ITU-TRecommendationG.812:"Timingrequirementsofslaveclockssuitableforuseasnodeclocksinsynchronizationnetworks".[11]ITU-TRecommendationG.823:"Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthe2048kbit/shierarchy".[12]ITU-TRecommendationG.813:"TimingcharacteristicsofSDHequipmentslaveclocks(SEC)".[13]ITU-TRecommendationG.825:"Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthesynchronousdigitalhierarchy(SDH)".[14]ITU-TRecommendationG.703:"Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces".[15]ITU-TRecommendationG.131:"Controloftalkerecho".[16]ITU-TRecommendationG.711:"Pulsecodemodulation(PCM)ofvoicefrequencies".[17]ITU-TRecommendationG.726:"40,32,24,16kbit/sadaptivedifferentialpulsecodemodulation(ADPCM)".[18]ITU-TRecommendationG.728:"Codingofspeechat16kbit/susinglow-delaycodeexcitedlinearprediction".[19]ITU-TRecommendationG.729:"Codingofspeechat8kbit/susingconjugate-structurealgebraic-code-excitedlinear-prediction(CS-ACELP)".[20]ITU-TRecommendationQ.552:"Transmissioncharacteristicsat2-wireanalogueinterfacesofdigitalexchange".[21]ITU-TRecommendationQ.553:"Transmissioncharacteristicsat4-wireanalogueinterfacesofdigitalexchanges".[22]ITU-TRecommendationVseries:"Datacommunicationoverthetelephonenetwork".[23]ITU-TRecommendationXseries:"Datanetworksandopensystemcommunication".[24]ITU-TRecommendationG.961:"DigitaltransmissionsystemonmetalliclocallinesforISDNbasicrateaccess".[25]ETSIETS300012:"IntegratedServicesDigitalNetwork(ISDN);Basicuser-networkinterface;Layer1specificationandtestprinciples".[26]ETSIETS300011:"IntegratedServicesDigitalNetwork(ISDN);Primaryrateuser-networkinterface;Layer1specificationandtestprinciples".[27]ITU-TRecommendationG.962:"AccessdigitalsectionforISDNprimaryrateat2048kbit/s".SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)8[28]ITU-TRecommendationG.707:"Networknodeinterfaceforthesynchronousdigitalhierarchy(SDH)".[29]ITU-TRecommendationG.964:"V-Interfacesatthedigitallocalexchange(LE)-V5.1interface(Basedon2048kbit/s)forthesupportofaccessnetwork(AN)".[30]ITU-TRecommendationG.965:"V-Interfacesatthedigitallocalexchange(LE)-V5.2interface(basedon2048kbit/s)forthesupportofaccessnetwork(AN)".[31]ITU-TRecommendationG.957:"Opticalinterfacesforequipmentsandsystemsrelatingtothesynchronousdigitalhierarchy".[32]ETSIEN300324:"VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN)".[33]ETSIEN300347:"VinterfacesatthedigitalLocalExchange(LE);V5.2interfaceforthesupportofAccessNetwork(AN)".[34]ETSIETS300132-1:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part1:Operatedbyalternatingcurrent(ac)derivedfromdirectcurrent(dc)sources".[35]ETSIEN300132-2:"EnvironmentalEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part2:Operatedbydirectcurrent(dc)".[36]CEPT/ERC/REC74-01:"Spuriousemissions".[37]EN60950:"Safetyofinformationtechnologyequipment".[38]ITU-TRecommendationG.704:"Synchronousframestructuresusedat1544,6312,2048,8448and44736kbit/shierarchicallevels".[39]ANSI/IEEE802.3:"InformationTechnology-Telecommunication&InformationExchangeBetweenSystems-LAN/MAN-SpecificRequirements-Part3:CarrierSenseMultipleAccesswithCollisionDetection(CSMA/CD)AccessMethodandPhysicalLayerSpecifications".[40]ITU-TRecommendationG.966:"AccessdigitalsectionforB-ISDN".[41]ITU-TRecommendationI.610:"B-ISDNoperationandmaintenanceprinciplesandfunctions".[42]ITU-TRecommendationI.732:"FunctionalcharacteristicsofATMequipment".[43]ETSIEG202306:"TransmissionandMultiplexing(TM);Accessnetworksforresidentialcustomers".[44]ETSIEN301390:"FixedRadioSystems;Point-to-pointandPoint-to-MultipointSystemsSpuriousemissionsandreceiverimmunityatequipment/antennaportofDigitalFixedRadioSystems".[45]ITU-TRecommendationG.723.1:"Speechcoders:Dualratespeechcoderformultimediacommunicationstransmittingat5.3and6.3kbit/s".[46]ETSIEN301489-1:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part1:Commontechnicalrequirements".[47]ETSIEN301489-4:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part4:Specificconditionsforfixedradiolinksandancillaryequipmentandservices".[48]ITU-RRecommendationF.1399-1:"Vocabularyoftermsforwirelessaccess".[49]ETSIEN301213-1:"FixedRadioSystems;Point-to-multipointequipment;Point-to-multipointdigitalradiosystemsinfrequencybandsintherange24,25GHzto29,5GHzusingdifferentaccessmethods;Part1:Basicparameters".SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)9[50]ETSIEN301213-2:"FixedRadioSystems;Point-to-multipointequipment;Point-to-multipointdigitalradiosystemsinfrequencybandsintherange24,25GHzto29,5GHzusingdifferentaccessmethods;part2:FrequencyDivisionMultipleAccess(FDMA)methods".[51]ETSIEN301213-3:"FixedRadioSystems;Point-to-multipointequipment;Point-to-multipointdigitalradiosystemsinfrequencybandsintherange24,25GHzto29,5GHzusingdifferentaccessmethods;Part3:TimeDivisionMultipleAccess(TDMA)methods".[52]ETSIEN301213-4:"FixedRadioSystems;Point-to-multipointequipment;Point-to-multipointdigitalradiosystemsinfrequencybandsintherange24,25GHzto29,5GHzusingdifferentaccessmethods;Part4:DirectSequenceCodeDivisionMultipleAccess(DS-CDMA)methods".[53]ETSIEN301213-5:"FixedRadioSystems;Point-to-multipointequipment;Point-to-multipointdigitalradiosystemsinfrequencybandsintherange24,25GHzto29,5GHzusingdifferentaccessmethods;Part5:Multi-CarrierTimeDivisionMultipleAccess(MC-TDMA)methods".[54]ETSIEN301785:"FixedRadioSystems;Point-to-pointpacketdataequipment;Parametersforradiosystemswithpacketdatainterfacesfortransmissionofdigitalsignalsoperatinginthefrequencyrange7,8,13,15,18,23,26,28,32,38,52to55GHz".[55]CEPT/ECC/REC01-04:"RecommendedguidelinesfortheaccommodationandassignmentofMultimediaWirelessSystems(MWS)inthefrequencyband40.5-43.5GHz".[56]IEEE802.16:"LocalandMetropolitanAreaNetworks-Part16:StandardAirInterfaceforfixedBroadbandWirelessAccessSystems".[57]ITU-TRecommendationI.432.1:"B-ISDNuser-networkinterface-Physicallayerspecification:Generalcharacteristics".[58]ITU-TRecommendationI.432.2:"B-ISDNuser-networkinterface-Physicallayerspecification:155520kbit/sand622080kbit/soperation".[59]ITU-TRecommendationI.432.3:"B-ISDNuser-networkinterface-Physicallayerspecification:1544kbit/sand2048kbit/soperation".[60]ITU-TRecommendationI.432.4:"B-ISDNuser-networkinterface-Physicallayerspecification:51840kbit/soperation".[61]ITU-TRecommendationI.432.5:"B-ISDNuser-networkinterface-Physicallayerspecification:25600kbit/soperation".[62]ITU-TRecommendationI.413:"B-ISDNuser-networkinterface".[63]af-uni-0010.002:"ATMUser-NetworkInterface(UNI)Specification".[64]af-phy-0040.000:"PhysicalInterfaceSpecificationfor25.6Mb/soverTwistedPairCable".[65]ITU-TRecommendationG.967.1:"V-interfacesattheservicenode(SN):VB5.1referencepointspecification".[66]ITU-TRecommendationG.967.2:"V-interfacesattheservicenode(SN):VB5.2referencepointspecification".SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)103Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:block-edge:frequencyborderlinewithacontiguousfrequencyblockassignedtoadifferentoperatorornotyetassignedFullCapacityLoad(FCL):definedbythemaximumnumberof64kbit/ssignalsortheequivalentwhichcanbetransmittedandreceivedbyasingleCRSwithinaspecifiedRFbandwidth,fulfillinggivenperformanceandavailabilityobjectivesinrespecttofadingconditionsfrequencyblock:contiguousportionofspectrumwithinasub-bandorfrequencyband,typicallyassignedtoasingleoperator(seeITU-RRecommendationF.1399-1)roundtripdelay:definedasthesumofthedelaybetweenpointSNItoUNIplusUNItoSNIinfigure1,includinganyrepeatersasappropriate3.2SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBdeciBeldBmdeciBelrelativeto1mWGHzGigaHertzkbit/skilobitpersecondMbit/sMegabitpersecondMHzMegaHertzmsmillisecondppmpartspermillion3.3AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ATMAsynchronousTransferModeATPCAutomaticTransmitPowerControlBERBitErrorRatioBSBroadcastingServiceCBRConstantBitRateCCSCentralControlStationCEPTEuropeanConferenceofPostalandTelecommunicationsAdministrationsCERCellErrorRatioChSChannelSeparationCRSCentralRadioStationCSCentralStationCWContinuousWaveEMCElectroMagneticCompatibilityFCLFullCapacityLoadFDDFrequencyDivisionDuplexFERFrameErrorRatioFSFixedServiceISDNIntegratedServicesDigitalNetworkLANLocalAreaNetworkLMDSLocalMultipointDistributionSystemMPMultiPointMP-MPMultiPoint-to-MultiPointMVDSMultipointVideoDistributionSystemMWSMultimediaWirelessSystemSIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)11NNINetworkNodeInterfaceOJECOfficialJournaloftheEuropeanCommunitiespfdpowerfluxdensityP-MPPoint-to-MultiPointRBERResidualBit-ErrorRatioRFRadioFrequencyRFCRemoteFrequencyControlRSRepeaterStationRSLReceiverSignalLevelRTPCRemoteTransmitPowerControlRxReceiverSDHSynchronousDigitalHierarchySNIServiceNodeInterfaceTDDTimeDivisionDuplexTETerminalEquipmentTSTerminalStationTxTransmitterUNIUserNetworkInterface4Generalcharacteristics4.1GeneralsystemarchitectureMultimediaWirelessSystemshaveaMultiPoint(MP)topology,inwhichusertrafficflowstoandfrompointsofconnectionwithexternalnetworkstotheuserterminalequipmentinterface(s).TheMWSmaybehaveasanaccessnetwork,abroadcastnetworkorcombinethetwo.Thegeneralsystemarchitectureisshowninfigure1.CSTSCoreNetworkTSTSTSTSRSTETERSTETETETETETESNItootherCSsorCSTSLocalSwitchingTSTSTSTSRSTETERSTETETETETETEtootherCSsorOmnidirectionalorsectorialantennaDirectionalAntennaCoreNetworkNNIAccessnetworkCorenetworkCustomerPremisesnetworkUNIUNIFigure1:Referencediagram(FWAexample)SIST EN 301 997-1 V1.1.1:2003



ETSIETSIEN301997-1V1.1.1(2002-06)12Where:CS:TheCentralStation,whichinterfacesthenetwork.Itcanbeintegratedordividedintotwounits:i)theCentralControlStation(CCS);ii)theCentralRadioStation(CRS)alsocalledtheradiounitwhichisthecentralbaseband/radiotransceiverequipment.MorethanoneCRSmaybecontrolledbyoneCCS.TS:TheTerminalStation(outstationswithsubscriberinterfaces).ATSmayservemorethanoneTerminalEquipment(TE).RS:TheRepeaterStation(radiorepeateroutstationswithorwithoutsubscriberinterfaces).AnRSmayserveoneormoreTS.TE:TerminalEquipment.NNI:NetworkNodeInterface.SNI:ServiceNodeInterface(e.g.asdescribedinEG202306[43]).UNI:UserNetworkInterface(e.g.asdescribedEG202306[43]).Thediagraminfigure1showsthemostcommonandstandardizedapproachforaccessnetworkapplication;howeverwhenbroadcastorprivatenetworksareconcerned,differentarchitecturesarepossible.ForexampletheCSmaybedirectlyconnectedtotheCoreNetworkbymeansofaNNIandtheswitchingfunctionalitymaybeimplementedintoCS(e.g.CSisanATMswitchintoanATMnetwork)and,forprivatenetworks,theUNImaybesubstitutedbycustominterfaces.ThereferencediagramincludesthesystemelementsandinterfacesfordifferenttypesofMPsystem(bothP-MPandMP-MP).Notallsystemelementsarenecessarilydeployedinanyparticularnetwork.Thenumbersofeachtypeofstationinarealdeploymentcanvaryconsiderably.Figure1showsonlyeachpossibletypeofstationandeachpossibletypeofconnectionbetweenstationsthatmayoccur.WhileinP-MPapplicationstherearetypicallyfewCSandRSconnectinglargenumberofTS,inatypicalMP-MPsystem,therearemanyRSstationsandasmallernumberofTSstationsassociatedwitheachCentralStation(CS).AlthoughasingleCentralStationispossible,asshown,atypicalsystemwilldeployseveralCentralStations,eachwithconnectiontotheSNIofthelocalswitchingcentreordirectlytotheNNIofthecorenetwork(s).Theseinterconnectionsmaybebymeansofradiolinks,opticalfibreorothermeans.Theroutefromanetworkconnectionpointtoauser'sterminalequipmentinterfacemaybeviaasingleradiopath(typicalforP-MPsystems)orviaoneormoreradiorepeaters(typicalforMP-MPsystems).TStoTSconnectionsmayalsobeprovidedinsomenetworks,notroutedviaanexternalcorenetwork.4.2Frequencybandsandchannelarrangements4.2.1FrequencyplanThefrequencyband40,5GHzto43,5GHzisidentifiedforMultimediaWirelessSystemswithinEuropebyCEPT/ERC/DEC(99)15[5].Assignmentstooperatorsareexpectedtobemadeonafrequencyblockbasisderivedfromaflexibleallocationfrequencyplan(seeCEPT/ECC/REC01-04[55])thatwillfacilitate:• bothFDDandTDDsystems;• bothfullduplexandhalfduplexoptions;• bothsymmetri
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